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In Phymata, the scutellum is triangular and shorter than the pronotum. In Macrocephalus, the scutellum is narrow and rounded, extending to the tip of the abdomen. [2] Phymatinae normally have a large fore femur and clubbed antennae. The forewing membranes sometimes lack distinct cells. [3] The antennae have four segments. There are two ocelli.
Although P. americana can be found on many species of flowering plants, they tend to prefer either yellow or blue flowers over red or white flowers. [7] Variation in flower color choice may reflect individual variation in P. americana color pattern, where individuals prefer flowers which match their own body color. [5]
Phymata is a genus of assassin bugs belonging to the family Reduviidae, subfamily Phymatinae, [1] commonly called jagged ambush bugs. They can be a variety of colors, with their coloring helping them camouflage with the plants they live on.
Adults of Phymata crassipes can reach a length of about 7–9 mm. The body appear ornamented with some extrusions. Their triangular scutellum is shorter than a pronotum without prominent tubercles. They possess functional wings. They have clubbed antennae and enlarged fore femora and abdomen.
The number of segments in an antenna varies amongst insects, with higher flies having 3-6 segments, [21] while adult cockroaches can have over 140. [22] The general shape of the antennae is also quite variable, but the first segment (the one attached to the head) is always called the scape, and the second segment is called the pedicel.
The antenna surface is covered with large numbers of olfactory scales, hairs, or pits; as many as 1,370,000 are found on the antennae of a monarch. Antennae are extremely sensitive; the feathered antennae of male moths from the Saturniidae, Lasiocampidae, and many other families are so sensitive that they can detect the pheromones of female ...
Phymata pennsylvanica, known generally as the Pennsylvania ambush bug or Pennsylvania jagged ambush bug, is a species of ambush bug in the family Reduviidae. It is found in North America. [1] [2] [3] It is known to prey on a common hoverfly, Syritta pipiens. [4]
Phymata fasciata is a species of ambush bug in the family Reduviidae. It is found in Central America and North America. [1] [2] [3] Feeding on a Cerceris wasp. Subspecies